/* 按钮样式 */
@import url(https://fonts.googleapis.com/css?family=Inter:100,200,300,regular,500,600,700,800,900);

*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    /* padding-top: 5%; */
    background-color: #f6f6f6;

}
a{
    color: black;
    text-decoration: none;
    outline: none;
}
li{
    list-style: none;
}
.all{
    width: 1900px;
    display: flex;
    justify-content: space-evenly;
    align-items: center; 
    margin: auto;
    padding-top: 50px;
}
.Center {
    display: flex;
    flex-direction: column;
    align-items: center; 
}

/* 高 */
.h{
    height:1200px;
}
/* 背景 */


/* 左手边菜单栏 */
.left_Menu_Bar{
    width: 190px;
    background-color: #fff; 
    color: #fff;
    padding-top: 130px;
    border: 1px solid #eaeaea;
}
.Menu_Bar{
    width: 190px;
    height: 500px;
    justify-content: space-evenly;
}

/* 头像 */
.avatar{
    width: 70px;
    height: 70px;
    border-radius: 90%;
    background-color: rgb(0, 116, 210);
}
/* 默认头像  */
h1{
   text-align: center;
    padding-top: 10.5px;
    font-weight: 400;
} 

.Menu {
    width: 170px;
    transform: translateX(-25px);
}

.Menu .ct {
    height: 360px;
    justify-content: space-around;
    font-weight: bolder;
    font-size: 1.2em;
}

.drop_down_menu {
    width: 60px;
    height: 180px;
    justify-content: space-around;
    /* display: none; */
}

.drop_down_menu li {
    position: relative;
    display: flex;
    align-items: center;
}

.drop_down_menu li a {
    color: #555555;
    font-weight: 400;
    transition: 0.1s all;
}

 li a:hover {
    color: rgb(0, 116, 210);
}

.bx {
    font-size: 1.5rem;
}

.btn {
    width: 15px;
    height: 15px;
    border: none;
    background-color: #ffffff;
    position: absolute;
    left: 180px;
}

.box {
    height: 150px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.1s;
    display: none;
}

.show {
    visibility: visible;
    opacity: 1;
    transform: translateY(-20px);
    display: block;
}

.arrow {
    transform: rotate(180deg);
    transition: 0.2s ease;
}

.Background{
    width: 1522px;
    height: 1000px;
    background-color: #ffffff;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    padding-left: 5%;
    padding-top: 50px;
    /* transform: translate(300px,-900px); */

}
.title{
    width: 95%;
    height: 65px;
    text-indent: initial;
    text-align:left;
    padding-left: 15px;
    color:  rgb(0, 116, 210);
    border-left: 4px solid  rgb(0, 116, 210);
    display: flex;
    justify-content: space-between;
}
.title input{
    width: 233px;
    height: 35px;
    margin-top: 15px;
    border-radius: 20px;
    padding: 0 15px;
    border: solid #000 1px;
    font-size: 17px;
}
.top{
    display: inline-block;
    align-items: center;

}
.top img{
    width: 20px;
    height: 20px;
    position: relative;
    top: 6px;
    left: -33px;
}
.banner_top{
    width: 1360px;
    height: 30px;
    margin: 30px 0 20px 0;
    position: relative;
    left: -10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgb(238, 247, 253);
}
.banner_top ul{
    display: flex;
}
.banner_top ul li{
    list-style: none;
    font-size: 18px;
 
}
.banner_top ul li a{
    text-decoration: none;
    margin: 0 13px 0 13px;
    color: rgb(112, 112, 112);
}
.banner_top ul button{
    border: none;
    background-color: #fff;
    width: 20px;
    height: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgb(238, 247, 253);
}
.banner_top ul img{
    width: 20px;
    position: relative;
    top: 5px;
}
.header{
    font-weight: 700;
}
.all_book{
    width: 1360px;
    height: 500px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    position: relative;
    left: -10px;
}
.book_box{
    width: 430px;
    height: 190px;
    box-shadow: 1px 2px 3px rgb(173, 173, 173);
    margin: 20px 0 20px 0;
    border-radius: 10px;
    display: flex;
    align-items: center;
}
.book_box ul li{
    list-style: none;
    margin: 10px 0 10px 0;
    font-size: 15px;
}
.book{
    width: 135px;
    height: 190px;
    background-color: rgb(238, 247, 253);
    border-radius: 10px 0 0 10px;
    margin-right: 45px;
}
.foot-2 {
    float: right;
    margin-right: 68px;
    margin-top: 20px;
    color: black;
    position: relative;
    top: 200px;
}

.foot-2 button {
    width: 36px;
    height: 36px;
    background-color: white;
    border: 2px solid rgb(39, 164, 255);
    color: rgb(58, 133, 255);
    border-radius: 9px;
    margin-right: 17px;

}
